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Finding the Fourth Proportional to 9,000,413.40, 13,479,624.90 and 8,820,010.20

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Solution

The fourth proportional to 9,000,413.40, 13,479,624.90 and 8,820,010.20 is: 13,209,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,413.40 : 13,479,624.90 = 8,820,010.20 : x
  2. Step 2: Convert to fraction form
    9,000,413.40/13,479,624.90 = 8,820,010.20/x
  3. Step 3: Cross multiply
    9,000,413.40x = 13,479,624.90 × 8,820,010.20
  4. Step 4: Simplify right side
    9,000,413.40x = 118,890,429,110,173.97
  5. Step 5: Solve for x
    x = 118,890,429,110,173.97/9,000,413.40
  6. Step 6: Final answer
    x = 13,209,440.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.